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#pragma once
#include "savedata.h"
#include "tonegenerator.h"
#include "WaveReader.h"
#include "SimPeakMeter.h"
#include "keyworddetector.h"
#define HNSTIME_PER_MILLISECOND 10000
#define MAX_PACKET_COUNT 2
#define DEFAULT_FREQUENCY 220
#define LOOPBACK_FREQUENCY 500
// Stream callbacks shared between Capture and Render
VOID
EvtStreamDestroy(
_In_ WDFOBJECT Object
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamGetHwLatency(
_In_ ACXSTREAM Stream,
_Out_ ULONG* FifoSize,
_Out_ ULONG* Delay
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamAllocateRtPackets(
_In_ ACXSTREAM Stream,
_In_ ULONG PacketCount,
_In_ ULONG PacketSize,
_Out_ PACX_RTPACKET* Packets
);
PAGED_CODE_SEG
VOID
EvtStreamFreeRtPackets(
_In_ ACXSTREAM Stream,
_In_ PACX_RTPACKET Packets,
_In_ ULONG PacketCount
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamPrepareHardware(
_In_ ACXSTREAM Stream
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamReleaseHardware(
_In_ ACXSTREAM Stream
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamRun(
_In_ ACXSTREAM Stream
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamPause(
_In_ ACXSTREAM Stream
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamAssignDrmContentId(
_In_ ACXSTREAM Stream,
_In_ ULONG DrmContentId,
_In_ PACXDRMRIGHTS DrmRights
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamGetCurrentPacket(
_In_ ACXSTREAM Stream,
_Out_ PULONG CurrentPacket
);
PAGED_CODE_SEG
NTSTATUS
EvtStreamGetPresentationPosition(
_In_ ACXSTREAM Stream,
_Out_ PULONGLONG PositionInBlocks,
_Out_ PULONGLONG QPCPosition
);
class CStreamEngine
{
public:
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
AllocateRtPackets(
_In_ ULONG PacketCount,
_In_ ULONG PacketSize,
_Out_ PACX_RTPACKET * Packets
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
VOID
FreeRtPackets(
_Frees_ptr_ PACX_RTPACKET Packets,
_In_ ULONG PacketCount
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
PrepareHardware();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
ReleaseHardware();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
Run();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
Pause();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
GetPresentationPosition(
_Out_ PULONGLONG PositionInBlocks,
_Out_ PULONGLONG QPCPosition
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
GetLinearBufferPosition(
_Out_ PULONGLONG Position
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
SetCurrentWritePosition(
_In_ ULONG Position
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
SetLastBufferPosition(
_In_ ULONG Position
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
GetCurrentPacket(
_Out_ PULONG CurrentPacket
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
GetHWLatency(
_Out_ ULONG * FifoSize,
_Out_ ULONG * Delay
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
AssignDrmContentId(
_In_ ULONG DrmContentId,
_In_ PACXDRMRIGHTS DrmRights
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
CSimPeakMeter *
GetPeakMeter();
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
CStreamEngine(
_In_ ACXSTREAM Stream,
_In_ ACXDATAFORMAT StreamFormat,
_In_ BOOL Offload,
_In_opt_ CSimPeakMeter *CircuitPeakmeter
);
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
~CStreamEngine();
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
VOID
SetFrequency(
_In_ DWORD ToneFrequency
)
{
PAGED_CODE();
m_ToneFrequency = ToneFrequency;
}
protected:
PVOID m_Packets[MAX_PACKET_COUNT];
ULONG m_PacketsCount;
ULONG m_PacketSize;
ULONG m_FirstPacketOffset;
WDFTIMER m_NotificationTimer;
ACX_STREAM_STATE m_CurrentState;
ULONG m_CurrentPacket;
ULONGLONG m_Position;
ACXSTREAM m_Stream;
ACXDATAFORMAT m_StreamFormat;
ULONGLONG m_StartTime;
ULONGLONG m_StartPosition;
ULONGLONG m_GlitchAdjust;
LARGE_INTEGER m_PerformanceCounterFrequency;
LARGE_INTEGER m_CurrentPacketStart;
LARGE_INTEGER m_LastPacketStart;
DWORD m_ToneFrequency;
BOOL m_Offload;
CSimPeakMeter m_PeakMeter;
CSimPeakMeter* m_pCircuitPeakmeter;
static
__drv_maxIRQL(DISPATCH_LEVEL)
_Function_class_(EVT_WDF_TIMER)
VOID s_EvtStreamPassCallback(
_In_ WDFTIMER Timer
);
// This is run every time the stream timer fires
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
VOID
StreamPassCallback();
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
VOID
ScheduleNextPass();
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
VOID
UpdatePosition();
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
ULONG
GetBytesPerSecond();
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
VOID
ProcessPacket() = 0;
};
class CRenderStreamEngine : public CStreamEngine
{
public:
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
CRenderStreamEngine(
_In_ ACXSTREAM Stream,
_In_ ACXDATAFORMAT StreamFormat,
_In_ BOOL Offload,
_In_ CSimPeakMeter *CircuitPeakmeter
);
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
~CRenderStreamEngine();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
PrepareHardware();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
ReleaseHardware();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
AssignDrmContentId(
_In_ ULONG DrmContentId,
_In_ PACXDRMRIGHTS DrmRights
);
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
SetRenderPacket(
_In_ ULONG Packet,
_In_ ULONG Flags,
_In_ ULONG EosPacketLength
);
protected:
CSaveData m_SaveData;
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
VOID
ProcessPacket();
};
class CCaptureStreamEngine : public CStreamEngine
{
public:
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
CCaptureStreamEngine(
_In_ ACXSTREAM Stream,
_In_ ACXDATAFORMAT StreamFormat
);
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
~CCaptureStreamEngine();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
PrepareHardware();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
ReleaseHardware();
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
GetCapturePacket(
_Out_ ULONG * LastCapturePacket,
_Out_ ULONGLONG * QPCPacketStart,
_Out_ BOOLEAN * MoreData
);
protected:
ToneGenerator m_ToneGenerator;
CWaveReader m_WaveReader;
DWORD m_EnableWaveCapture;
UNICODE_STRING m_HostCaptureFileName;
UNICODE_STRING m_LoopbackCaptureFileName;
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
VOID
ProcessPacket();
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
ReadRegistrySettings();
};
class CBufferedCaptureStreamEngine : public CCaptureStreamEngine
{
public:
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
CBufferedCaptureStreamEngine(
_In_ ACXSTREAM Stream,
_In_ ACXDATAFORMAT StreamFormat,
_In_ CKeywordDetector * KeywordDetector
);
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
~CBufferedCaptureStreamEngine();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
Run();
virtual
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
Pause();
__drv_maxIRQL(PASSIVE_LEVEL)
PAGED_CODE_SEG
NTSTATUS
GetCapturePacket(
_Out_ ULONG * LastCapturePacket,
_Out_ ULONGLONG * QPCPacketStart,
_Out_ BOOLEAN * MoreData
);
protected:
virtual
__drv_maxIRQL(DISPATCH_LEVEL)
VOID
ProcessPacket();
CKeywordDetector * m_KeywordDetector;
};
// Define circuit/stream pin context.
//
typedef struct _STREAM_TIMER_CONTEXT {
CStreamEngine * StreamEngine;
} STREAM_TIMER_CONTEXT, *PSTREAM_TIMER_CONTEXT;
WDF_DECLARE_CONTEXT_TYPE_WITH_NAME(STREAM_TIMER_CONTEXT, GetStreamTimerContext)
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